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-rw-r--r--lib/lockpw.c85
1 files changed, 85 insertions, 0 deletions
diff --git a/lib/lockpw.c b/lib/lockpw.c
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--- /dev/null
+++ b/lib/lockpw.c
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+/*
+ * SPDX-FileCopyrightText: 1992 , Julianne Frances Haugh
+ * SPDX-FileCopyrightText: 1996 - 1998, Marek Michałkiewicz
+ * SPDX-FileCopyrightText: 2005 , Tomasz Kłoczko
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include <config.h>
+
+#ifndef HAVE_LCKPWDF
+
+#ident "$Id$"
+
+#include "prototypes.h"
+#include "defines.h"
+#include "pwio.h"
+#include "shadowio.h"
+/*
+ * lckpwdf - lock the password files
+ */
+int lckpwdf (void)
+{
+ int i;
+
+ /*
+ * We have 15 seconds to lock the whole mess
+ */
+
+ for (i = 0; i < 15; i++)
+ if (pw_lock ())
+ break;
+ else
+ sleep (1);
+
+ /*
+ * Did we run out of time?
+ */
+
+ if (i == 15)
+ return -1;
+
+ /*
+ * Nope, use any remaining time to lock the shadow password
+ * file.
+ */
+
+ for (; i < 15; i++)
+ if (spw_lock ())
+ break;
+ else
+ sleep (1);
+
+ /*
+ * Out of time yet?
+ */
+
+ if (i == 15) {
+ pw_unlock ();
+ return -1;
+ }
+
+ /*
+ * Nope - and both files are now locked.
+ */
+
+ return 0;
+}
+
+/*
+ * ulckpwdf - unlock the password files
+ */
+
+int ulckpwdf (void)
+{
+
+ /*
+ * Unlock both files.
+ */
+
+ return (pw_unlock () && spw_unlock ())? 0 : -1;
+}
+#else
+extern int errno; /* warning: ANSI C forbids an empty source file */
+#endif